Tray for a baby walker



FIG. 1 is a front, top, and right side perspective view showing the tray for a baby walker of my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a right-side elevational view thereof, the left-side elevational view thereof being identical.

The broken lines show the environmental matter for illustrative purposes only and do not form part of the claimed design. 

The ornamental design for a tray for a baby walker, as shown and described. 